From: Ben Greear <greearb@candelatech.com>
To: Sujith Manoharan <sujith@msujith.org>
Cc: "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Subject: Re: 3.7.6+: ath9k: tx logic locks up after taking attenuation very high.
Date: Wed, 20 Feb 2013 18:02:08 -0800 [thread overview]
Message-ID: <51258020.1060906@candelatech.com> (raw)
In-Reply-To: <20773.31273.604966.176099@gargle.gargle.HOWL>
On 02/20/2013 05:36 PM, Sujith Manoharan wrote:
> Ben Greear wrote:
>> From the AP lockup case, dmesg is full of stuff like this:
>>
>> [ 1819.538577] vap1: delba from 00:3f:d1:e4:32:51 (initiator) tid 0 reason code 37
>> [ 1819.640602] vap1: Rx A-MPDU request on 00:6f:f9:68:b1:31 tid 0 result 0
>> [ 1819.690601] vap1: Rx A-MPDU request on 00:01:ab:ba:da:d3 tid 0 result 0
>> [ 1819.778013] vap1: RX session timer expired on 00:59:82:d1:d8:8c tid 0
>> [ 1819.778040] vap1: Rx BA session stop requested for 00:59:82:d1:d8:8c tid 0 recipient reason: 39
>> [ 1819.814600] vap1: delba from 00:59:82:d1:d8:8c (initiator) tid 0 reason code 37
>> [ 1819.820010] vap1: RX session timer expired on 00:eb:69:fc:4b:db tid 0
>> [ 1819.820034] vap1: Rx BA session stop requested for 00:eb:69:fc:4b:db tid 0 recipient reason: 39
>> [ 1819.863631] vap1: delba from 00:eb:69:fc:4b:db (initiator) tid 0 reason code 37
>> [ 1819.978012] vap1: RX session timer expired on 00:39:9a:d1:0e:10 tid 0
>> [ 1819.978035] vap1: Rx BA session stop requested for 00:39:9a:d1:0e:10 tid 0 recipient reason: 39
>> [ 1820.014580] vap1: delba from 00:39:9a:d1:0e:10 (initiator) tid 0 reason code 37
>
> The ADDBA sessions are being torn down aggressively.
>
>> TXERR Filtered: 224 0 0 0
>
> The recipient has gone out of range and frames are being filtered here.
> As a quick test, can you disable PowerSave on the client and check if the issue
> still happens ?
Powersave is always disabled in our tests...can't use it with multiple VIFS
as far as I know...
System doesn't recover if we drop the attenuation back to optimal levels, btw.
Ben
>
> Sujith
>
--
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc http://www.candelatech.com
next prev parent reply other threads:[~2013-02-21 2:02 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-11 18:18 3.7.6+: ath9k: tx logic locks up after taking attenuation very high Ben Greear
2013-02-12 0:11 ` Sujith Manoharan
2013-02-13 16:41 ` Ben Greear
2013-02-19 2:14 ` Sujith Manoharan
2013-02-19 2:36 ` Sujith Manoharan
2013-02-19 5:18 ` Ben Greear
2013-02-20 22:51 ` Ben Greear
2013-02-21 1:06 ` Ben Greear
2013-02-21 1:38 ` Sujith Manoharan
2013-02-21 5:41 ` Ben Greear
2013-02-21 17:34 ` Ben Greear
2013-02-21 23:11 ` Ben Greear
2013-02-21 23:49 ` Adrian Chadd
2013-02-21 23:53 ` Ben Greear
2013-02-21 23:56 ` Adrian Chadd
2013-02-22 0:11 ` Ben Greear
2013-02-22 4:23 ` Sujith Manoharan
2013-02-21 1:36 ` Sujith Manoharan
2013-02-21 2:02 ` Ben Greear [this message]
2013-02-21 2:04 ` Sujith Manoharan
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